ECT1; protein binding. similar to ECT3 (evolutionary conserved C-terminal 3) [Arabidopsis thaliana] (TAIR:AT5G61020.2); similar to ECT3 (evolutionary conserved C-terminal 3) [Arabidopsis thaliana] (TAIR:AT5G61020.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO23486.1); contains InterPro domain YT521-B-like protein (InterPro:IPR007275)